1. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 RPG RPG founded in 1973 Specialized in the design and fabri- cation of microwave radiometers for mm- and submm- applications (radio astronomy, plasma physics, ESR spectroscopy, network analyzer frequ. extensions, remote sensing of atmosphere, space borne radiometers) Development of radiometer sub- systems (oscillators, mixers, waveguide components, planar networks, amplifiers, optics, etc.)

2. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 RPG Staff 22 Employees Management (3) Marketing (3) Space Projects (6) Electrical Enginee- ring (8) Electronics (4) Mechanics (5) Software & Retrie- val Development Degrees: 4 x Dr. of Physics, 2 x Master of Physics, 5 x Diploma for Electrical Engineering / Electronics, 1 x Mechanics Master

3. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 RPG Machine Shop 600 m 2 machine shop

4. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 RPG Machine Shop 2 numerically controlled lathes with 1 µm precision 6 milling machines with 1 µm to 5 µm precision Electro-forming facility (feedhorns, etching of microstrip circuit boards) Spark erosion facility

5. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 RPG RF Lab 800 m 2 lab space

6. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 RPG RF Lab 12 work places for micro- controlled assembly of RF components 5 test benches (spectrum analyzers, network analyzers, power detectors) 8 work places in class 1000 clean room facility (200 m 2 ) Electro-forming facility (feedhorns, etching of microstrip circuit boards) Environmental chamber (-40°C to +50°C, humidity control)

7. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 Quality Assurance Receiver assembly in clean room facility (class 1000) according to space qualification standards All radiometer parts (except for MMICs and electronic parts) are fabricated in- house Thermal cycling of radiometer in environmental chamber (at RPG), vibration tests, burn-in

8. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 Examples of Products (1) Space qualified local oscillators: 40 to 1500 GHz (all solid state)

9. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 Examples of Products (2) Space qualified front ends: 183 GHz (4 channels) for sensitive water vapour detection 90 GHz dual polarized receiver 150 GHz dual polarized receiver

10. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 Examples of Products (3) Transmit / Receive Systems: 90 GHz, 183 GHz, 220 GHz, 324 GHz, 502 GHz, 640 GHz for compact ranges (antenna measurement facilities, phase + amplitude)

11. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 Examples of Products (4) Turn key radiometers for environmental research: ice, snow, soil moisture atmospheric profiling, statospheric water vapour

12. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 Examples of Products (5) 22 channel dual profiler + dual pol. 90 GHz for cloud carthography 95 cm Cassegrain optics fully steerable 424 GHz phase locked beakon transmitter

13. RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005 RPG Instruments for Atmospheric Remote Sensing Radiometer Models : RPG-LWP: 23.8 +31.4 GHz channels for LWP and IWV monitoring, Wet/Dry DelayRPG-LWP: 23.8 +31.4 GHz channels for LWP and IWV monitoring, Wet/Dry Delay RPG-LWP-U90:Extends the RPG-LWP by a 90 GHz channel to improve LWP accuracyRPG-LWP-U90:Extends the RPG-LWP by a 90 GHz channel to improve LWP accuracy RPG-TEMP90:Tropospheric/Boundary Layer Temperature Profiler + 90 GHz channelRPG-TEMP90:Tropospheric/Boundary Layer Temperature Profiler + 90 GHz channel RPG-TEMPRO:Tropospheric/Boundary Layer Temp. ProfilerRPG-TEMPRO:Tropospheric/Boundary Layer Temp. Profiler RPG-HUMPRO:Tropospheric Humidity Profiler, LWP, IWV, Wet/Dry DelayRPG-HUMPRO:Tropospheric Humidity Profiler, LWP, IWV, Wet/Dry Delay RPG-HATPRO:Tropospheric/Boundary Layer Temp. Profiler + Tropospheric Humidity Profiler, LWP, IWV, Wet/Dry DelayRPG-HATPRO:Tropospheric/Boundary Layer Temp. Profiler + Tropospheric Humidity Profiler, LWP, IWV, Wet/Dry Delay RPG-TEMP-BL:Boundary Layer Temperature Profiler based on 54.8, 58 GHz channelsRPG-TEMP-BL:Boundary Layer Temperature Profiler based on 54.8, 58 GHz channels RPG-PRR:Polarized Rain Radiometer for Rain Remote Sensing, 10+19+37 GHz v/h Pol.RPG-PRR:Polarized Rain Radiometer for Rain Remote Sensing, 10+19+37 GHz v/h Pol.